The thickness of the head part is changing along its warpdirection and the winding Angle of any point on it varies.
纤维缠绕复合材料压力容器封头部分沿其子午线方向其厚度在不断变化，且任意点的缠绕角度也各不相同。
2
A plurality of weft yarn bundles are distributed at intervals in the axial direction of the pipe. The first group of warp yarns spirally wrap on the weft yarn bundles.